他给人一种冷酷阴险的感觉。There was something cold and sinister about him.那个阴险的家伙几乎见人便说我的坏话。That insidious man bad mouthed me to almost everyone else.能起这种作用的无非是和我作对的最最阴险的奸计.Nothing but the blackest art employed against me can have do...

“阴险的”的英语可以翻译为：serpentine，sinister，snaky，insidious，Jesuitical ...